Home / 139,360,017.70-209,040,026.55-48,483,606.70

Finding the Fourth Proportional to 139,360,017.70, 209,040,026.55 and 48,483,606.70

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Solution

The fourth proportional to 139,360,017.70, 209,040,026.55 and 48,483,606.70 is: 72,725,410.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,360,017.70 : 209,040,026.55 = 48,483,606.70 : x
  2. Step 2: Convert to fraction form
    139,360,017.70/209,040,026.55 = 48,483,606.70/x
  3. Step 3: Cross multiply
    139,360,017.70x = 209,040,026.55 × 48,483,606.70
  4. Step 4: Simplify right side
    139,360,017.70x = 10,135,014,431,807,760
  5. Step 5: Solve for x
    x = 10,135,014,431,807,760/139,360,017.70
  6. Step 6: Final answer
    x = 72,725,410.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.